Hello fellow students of Jewish history! Today our exploration of Jewish heritage along the Danube River valley begins in Budapest, home to one of the largest concentrations of Jews at the turn of the 20th century. I’m really thrilled to be together with so many people who share my passion for the amazing story of…

This article appeared, in slightly abbreviated form, in today’s Forward. So many colleagues and friends–fellow students of the Rebbe–contributed moving quotations on the Facebook page dedicated to the Rebbe. Laura Adkins’ editorship at the Forward is really great, and the final version is certainly more appropriate for the wider audience. If you would like to…

The Jews of the Danube Fall 2018 Lecture Series Lectures in Europe: October 2018 Lectures in Brooklyn: November-December 2018 From its headwaters in Germany’s Black Forest to its final destination in the Black Sea, the Danube River flows through ten countries and over ten centuries of Jewish history. Great cities like Vienna and Budapest punctuate…

Hello friends and colleagues: Thank you for your consistent support and enthusiasm. I am delighted that so many people share my passion for Jewish history and thought, and consider it a rare privilege to share my research with you online and in person. I wish you all a blessed New Year of spiritual and material…

Hello everyone! Please visit this site for my translation of Rabbi Moshe Cordovero’s classic Tomer Devorah (The Kabbalah of Forgiveness), a text often studied at precisely this time of year as we strive to improve our relationships with each other, with G-d, and with ourselves. The site also features a series of brief videos on each…

The Jews of the Danube Fall 2018 Lecture Series From its headwaters in Germany’s Black Forest to its final destination in the Black Sea, the Danube River flows through ten countries and over ten centuries of Jewish history. Great cities like Vienna and Budapest punctuate its course through East-Central Europe, the cradle of much of…

The invisible yet palpable echo of the crypto-Jewish tradition resonates through Portugal like the far side of a conversation faintly overheard in another person’s cell phone. A rush of sibilants or an exclamation of laughter confirms the reality of the distant interlocutor, even though we do not see her before us. The history of Portugal’s…

Join me in this global effort to prepare for Rosh Hashanah and Yom Kippur this year!

Hasidim of the Aish Kodesh should take note: this is likely the face of one of the murderers of Rabbi Kalonymus Kalmish Shapira hy”d. Jakiw Palij, a longtime resident of Queens, New York, was recently extradited to Germany for filing false information while immigrating to the United States after World War II. Palij served as…

Hello students, friends and colleagues– We still have a few hours before the onset of Shabbat and the possible arrival of Mashiach, but if we have to make it through another Tisha B’Av– If you are in Fort Lee, NJ Sunday morning or Crown Heights, Brooklyn Sunday afternoon, please join me for presentations on the…

Some background to my wife’s altruistic kidney donation two years ago on Erev Yom Kippur. You can help! Click here to support kidney donation through Renewal.

Some historical thoughts on recent usage of the word “pogrom” to describe the current situation in some Israeli cities. Thanks to JTA Editors Philissa Cramer and Andrew Silow-Carroll for shaping the article.

Two brief discussions of the history of women in the Medieval period, 12 pm ET (New York Time) with live chat. Join us!

After a brief overview placing the medieval period in historical context, we look more deeply at two especially noxious false charges: the Blood Libel and Desecration of the Host.

A look at the role of Jews in the medieval European economy, with emphasis on trade and finance. Premiering today at 1pm ET (New York Time) with live chat.

Please join us this Sunday for an outdoor gathering honoring our community’s heroic kidney donors.

After a discussion of Jewish communal structure in the medieval era, we will look at the devastation of the First Crusade and the Rhineland Massacres of 1096, follow up with some thoughts on the long-term impact on Ashkenazi Culture. Premiering today at 1 pm.

Here’s the latest videos from the Jewish History Lab series.

Brief review of the troubled journey of Rabbi Moshe Hayim Luzzatto, a brilliant young scholar of the 18th century who was persecuted by opponents and hounded across Europe before finding his way to the more tolerant intellectual climate of Amsterdam.

//embed.chabad.org/multimedia/mediaplayer/embedded/embed.js.asp?aid=5035317&width=auto&height=auto&HideVideoInfo=false “Truth will Sprout from the Earth: Gutenberg, the Internet, and the New Uncertainty Principle.” Presentation at the XIII International Torah and Science Conference, Miami. Introductory remarks by Dr. Nathan Katz.

Runaway Yeshiva Bochur’s Work May Aid COVID Research The Jewish Star (March 24, 2021) Shortly after emigrating to Israel in 1901, this Telz-educated orphaned son of a rosh yeshiva earned an unlikely nickname: “the crazy fly-catcher.” Israel Aharoni’s odyssey into the world of middle eastern zoology, long recognized in the scientific world with over 30…